--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WaterlevelState.java	Wed Sep 07 07:37:22 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WaterlevelState.java	Wed Sep 07 07:48:03 2011 +0000
@@ -36,6 +36,74 @@
     }
 
 
+    // TODO This is a duplicate of computeAdvance. Resolve.
+    public Object computeFeed(
+        FLYSArtifact artifact,
+        String       hash,
+        CallContext  context,
+        List<Facet>  facets,
+        Object       old
+    ) {
+        WINFOArtifact winfo = (WINFOArtifact)artifact;
+
+        String id = getID();
+
+        CalculationResult res = old instanceof CalculationResult
+            ? (CalculationResult)old
+            : winfo.getWaterlevelData();
+
+        if (facets == null) {
+            return res;
+        }
+
+        WQKms [] wqkms = (WQKms [])res.getData();
+
+        for (int i = 0; i < wqkms.length; i++) {
+            String nameW = null;
+            String nameQ = null;
+
+            if (winfo.isQ()) {
+                nameQ = wqkms[i].getName();
+                nameW = "W(" + nameQ + ")";
+            }
+            else {
+                nameW = wqkms[i].getName();
+                nameQ = "Q(" + nameQ + ")";
+            }
+
+            logger.debug("Create facet: " + nameW);
+            logger.debug("Create facet: " + nameQ);
+
+            Facet w = new WaterlevelFacet(
+                i, LONGITUDINAL_W, nameW, ComputeType.ADVANCE, id, hash);
+            Facet q = new WaterlevelFacet(
+                i, LONGITUDINAL_Q, nameQ, ComputeType.ADVANCE, id, hash);
+
+            facets.add(w);
+            facets.add(q);
+        }
+
+        if (wqkms.length > 0) {
+            Facet wst = new DataFacet(
+                WST, "WST data", ComputeType.ADVANCE, hash, id);
+            Facet csv = new DataFacet(
+                CSV, "CSV data", ComputeType.ADVANCE, hash, id);
+
+            facets.add(wst);
+            facets.add(csv);
+        }
+
+        if (res.getReport().hasProblems()) {
+            facets.add(new ReportFacet(ComputeType.ADVANCE, hash, id));
+        }
+
+        // Also register the CrossSectionFacet (added to respective out).
+        facets.add(new CrossSectionFacet("facet.cross_section"));
+        facets.add(new CrossSectionWaterLineFacet("facet.cross_section_water_line"));
+        return res;
+    }
+
+
     @Override
     public Object computeAdvance(
         FLYSArtifact artifact,